Lamborghini Countach Top Speed: The Lamborghini Countach LP500S - [1982] has a top speed of 170 mph (273.5 kph) Lamborghini Countach Acceleration: This Countach accelerates 0-60mph (96.6 kph) in 5.6 seconds or 0-100kph in 5.8 and can achieve an estimated 1/4 mile drag time in 12.91 seconds with a trap speed of 105.9 mph.